NAFA & ASHRAE Compliant Solutions

Industries We Serve

Every industry has different indoor air quality requirements — from schools to healthcare to manufacturing. We know yours.

Select Your Industry

Click your sector for NAFA-based filtration recommendations spec'd to your application.

Higher Education

Higher Education

Universities and colleges requiring MERV 13+ filtration for classrooms, labs, and dormitories

K-12 Schools

K-12 Schools

Air filtration for elementary through high schools, supporting student health and performance through superior indoor air quality

Healthcare

Healthcare & Senior Living

Hospitals and care facilities requiring HEPA and MERV 14+ for infection control

Government & Commercial

Government & Commercial

Office buildings and public facilities meeting ASHRAE standards for occupant health

Libraries & Museums

Libraries & Museums

Cultural institutions protecting collections with specialized filtration systems

Manufacturing

Manufacturing

Industrial facilities requiring process filtration and worker protection

Indoor Firing Ranges

Indoor Firing Ranges

HEPA exhaust filtration and lead containment — OSHA compliance isn't optional here

Infection Control

Infection Control

MERV 13+ and UV-C layered systems for airborne transmission risk reduction

Cannabis Cultivation

Cannabis Cultivation

Carbon filtration and negative pressure systems for odor control and licensing compliance

Computer Data Centers

Computer Data Centers

Mission-critical IT infrastructure requiring precision filtration and molecular contamination control

Higher Education

Higher Education Facilities

MERV 13+ filtration for classrooms, labs, and dormitories — spec'd to NAFA best practice.

IAQ in Higher Education: What the Research Shows

Cleaner air measurably improves student performance, attendance, and long-term health outcomes. University and college facilities face some of the most complex IAQ challenges in the commercial sector — diverse building types, high occupancy density, and air quality demands that vary sharply across classrooms, science labs, libraries, dormitories, and athletic facilities.

Deferred filtration maintenance isn't just an IAQ problem — it's a budget problem. Fouled coils and under-spec filters drive up energy costs, accelerate equipment wear, and create costly repair cycles. We spec to NAFA best practice, not just whatever meets minimum code.

NAFA Best Practice Standards

  • MERV 13 or Higher — Removes 90%+ of particles in the 3–10 micron range, including allergens, dust, and common airborne contaminants
  • Equipment Protection — Specialized filtration for server rooms, data centers, and mechanical equipment spaces
  • Renovation Support — Temporary HEPA filtration during construction to protect occupied areas
  • Kitchen & Food Service — Grease filtration and odor control for dining facilities
  • Science Buildings — Enhanced filtration with fume hood exhaust considerations

Key Standards

Recommended Filter Rating
MERV 13+
For general classrooms and occupied spaces
Special Areas
MERV 14
Science labs, data centers, server rooms
Benefits
Better Learning
Improved student performance and attendance
Standards Based On
NAFA Guidelines
National Air Filtration Association Best Practices
K-12 Schools

K-12 Schools & Districts

Children breathe faster than adults — pound for pound, they inhale more of whatever's in the air. The filtration standard in their classrooms matters.

The IAQ Case for K-12 Facilities

Children have developing respiratory systems and breathe at higher rates than adults — they're more exposed to whatever's circulating in their classrooms. Studies consistently show that MERV 13 filtration in K-12 spaces improves test scores, attendance, and long-term health outcomes. That's not a hypothetical. It's measurable.

Most K-12 buildings are running MERV 8 — the ASHRAE minimum. NAFA best practice calls for MERV 13. That gap represents real exposure for students and staff every day the building is occupied. We help districts understand the difference and make the right upgrade for their system and budget.

NAFA Best Practice Standards

  • MERV 13 Minimum — Recommended for all classrooms and occupied learning spaces
  • Unit Ventilators — Common in schools, require proper filter sizing and maintenance
  • Science Labs — Enhanced filtration with fume hood considerations
  • Gymnasiums & Cafeterias — Higher air change rates with appropriate filtration
  • Renovation Protection — Temporary HEPA filtration during construction projects

Facility Types We Support

Elementary schools, middle schools, high schools, vocational tech centers, district administration buildings, gymnasiums, performing arts centers, and school libraries — including older buildings with unit ventilators and non-standard filter sizes we can custom-size to fit.

Key Standards

Classrooms
MERV 13
For optimal learning environment
Special Spaces
MERV 14
Science labs and mechanical rooms
Benefits
Improved Learning
Better test scores and attendance
Protection
Vulnerable Youth
Children breathe faster than adults
Healthcare

Healthcare & Senior Living

HEPA and MERV 14+ for infection control. Your patients and residents are often immunocompromised — the air quality standard has to reflect that.

The Stakes Are Higher Here

Hospitals, surgical centers, and senior living communities face regulatory compliance requirements that set the floor — not the ceiling. Airborne pathogens circulate through HVAC systems. Immunocompromised patients and elderly residents have reduced ability to cope with airborne contaminants. The filtration spec can directly affect patient outcomes.

Regulatory compliance is a starting point. We help healthcare and senior living facilities build above it — specifying MERV 14+ for general patient areas, HEPA for isolation rooms and surgical suites, and UV-C where additional pathogen inactivation is warranted.

Filtration Standards by Space Type

  • MERV 14 Filtration — Removes 90% of particles in the 1.0–3.0 micron range, critical for infection control
  • HEPA Systems — 99.97% efficiency at 0.3 microns for isolation rooms and surgical areas
  • UV-C Disinfection — Additional pathogen elimination for enhanced patient protection
  • Molecular Filtration — Odor and VOC removal for patient comfort
  • Senior Living Solutions — Graduated filtration from independent to skilled nursing

Key Standards

Independent Living
MERV 13
For active senior apartments
Assisted Living
MERV 14
Enhanced protection for vulnerable residents
Skilled Nursing
MERV 14+
Hospital-grade infection control
Critical Areas
HEPA
99.97% efficiency for surgical areas
Government & Commercial

Government & Commercial Buildings

MERV 8 is the ASHRAE 62.1 minimum. MERV 13 is the standard that actually protects your occupants — and your liability exposure.

Poor IAQ Is a Productivity and Liability Issue

Indoor air quality directly affects occupant health, comfort, and productivity in commercial and government buildings. Poor IAQ drives higher rates of respiratory illness, absenteeism, and reduced cognitive performance — all measurable, all preventable with the right filtration spec.

Modern commercial buildings face compounding IAQ challenges: tighter building envelopes, synthetic materials off-gassing VOCs, cleaning products, equipment emissions, and outdoor PM2.5 infiltration. ASHRAE Standard 62.1 sets the minimum ventilation and filtration requirements. We help you meet them — and exceed them where it matters.

From Minimum Code to Best Practice

  • MERV 8 Minimum Standard — Required by ASHRAE 62.1 for acceptable indoor air quality
  • MERV 13 Recommended — Best practice for superior occupant health and comfort
  • Equipment Rooms — Enhanced filtration for data centers and server rooms
  • Renovation Protection — Temporary filtration during construction activities
  • Energy Efficiency — Balanced approach to clean air and operating costs

Facility Types We Support

Government office buildings, state agencies, municipal facilities, courthouses, transportation hubs, commercial office towers, retail spaces, restaurants, hospitality, and places of public assembly throughout the Northeast.

Key Standards

ASHRAE Minimum
MERV 8
Required by Standard 62.1
Best Practice
MERV 13
NAFA recommended for commercial spaces
Benefits
20% More
Potential productivity gains from better IAQ
Compliance
ASHRAE 62.1
Ventilation for Acceptable Indoor Air Quality
Libraries & Museums

Libraries, Archives & Museums

Particulates don't just affect air quality — they degrade paper, textiles, and artifacts. Filtration is a preservation tool, not just an occupant comfort measure.

Filtration as a Preservation Tool

Libraries, archives, and museums have two distinct IAQ mandates: protecting their collections and protecting their visitors. Fine particulates cause paper yellowing, textile degradation, and surface damage to artifacts over time. Gaseous contaminants — sulfur compounds, ozone, VOCs — accelerate chemical breakdown of organic materials.

High-traffic public spaces also require filtration that keeps visitors and staff comfortable. The right approach layers MERV 13–14 particulate filtration with molecular (gas-phase) filtration and, for special collections, HEPA for the most sensitive storage environments.

What We Recommend for Cultural Institutions

  • MERV 13–14 Standard — Removes particulates that can damage paper, textiles, and artifacts
  • Molecular Filtration — Removes gaseous contaminants that cause document degradation
  • Public Spaces — High-efficiency filtration for reading rooms and galleries
  • Storage Areas — Enhanced filtration to protect collections during storage
  • Special Collections — HEPA filtration for rare books and sensitive materials

Facility Types We Support

Public libraries, university libraries, special collections, archives, museums, art galleries, historical societies, and rare book collections — including older facilities with non-standard HVAC configurations.

Key Standards

Public Areas
MERV 13
Reading rooms and galleries
Collections Storage
MERV 14
Archives and rare materials
Molecular
Gas Phase
Prevents paper degradation
Goal
Preservation
Protecting irreplaceable collections
Manufacturing

Manufacturing & Industrial

Worker protection starts with source capture and the right filtration spec for your process. One-size-fits-all doesn't work here.

Industrial Filtration Isn't One-Size-Fits-All

Manufacturing facilities generate process-specific contaminants — particulates, chemical vapors, metal dusts, biological materials — that require targeted filtration solutions. The wrong spec doesn't just affect air quality; it affects worker safety, OSHA compliance, and process quality simultaneously.

We approach industrial filtration by starting with your application: what's being produced, what contaminants are generated, what regulatory requirements apply, and what your HVAC system can actually handle. From there, we build a system spec that works for your process — not a generic catalog selection.

Filtration Spec'd for Your Process

  • Process Filtration — Custom solutions for manufacturing-specific contaminants
  • Paint Booth Overspray — EPA Method 319 compliant systems for aerospace and automotive
  • Food Manufacturing — Sanitary design meeting FDA requirements
  • HEPA Filtration — Critical for semiconductor, pharmaceutical, and cleanroom applications
  • Dust Collection — Particulate control for woodworking, metalworking, and powder handling
  • Molecular Filtration — Chemical vapor and odor removal

Industrial Sectors We Support

Food and beverage processing, pharmaceutical manufacturing, automotive and aerospace, semiconductor and electronics, chemical processing, metalworking, woodworking, and general manufacturing — with custom-sized filters and specialized media when standard catalog options don't fit your application.

Key Standards

General Manufacturing
MERV 11–14
Based on process requirements
Paint Booths
EPA 319
Aerospace overspray compliance
Cleanrooms
HEPA
99.97% at 0.3 microns
Compliance
OSHA/EPA
Worker safety and environmental standards
Indoor Firing Ranges

Indoor Firing Ranges

HEPA filtration isn't optional in firing ranges — it's what protects your staff, your shooters, and your license. OSHA's lead exposure limits leave no room for an under-spec system.

What's at Stake Without the Right System

Every shot fired in an indoor range releases lead dust and toxic combustion byproducts. OSHA's permissible exposure limit for lead is 50 micrograms per cubic meter over 8 hours — and lead accumulates. Without HEPA-rated exhaust filtration and proper pre-filter staging, that exposure builds over time for every employee, instructor, and regular shooter in the facility.

Lead exposure causes fatigue, neurological damage, and reproductive harm. Spent filters loaded with lead are RCRA-regulated hazardous waste. This is a compliance environment that requires a filtration system spec'd specifically for it — not a general commercial HVAC solution.

What OSHA and NAFA Require

  • HEPA Filtration Required — 99.97% efficiency at 0.3 microns for exhaust air
  • MERV 14 Make-Up Air — Protects HVAC equipment and provides clean breathing air
  • Pre-Filtration — MERV 8 and MERV 14 pre-filters extend HEPA life
  • Molecular Filtration — Removes carbon monoxide and nitrogen oxides when recirculating
  • Specialized Framing — HEPA-rated housings to prevent bypass leakage

Compliance Requirements

All systems must meet OSHA standards, EPA regulations, and NIOSH guidelines. Regular filter monitoring, documented replacement schedules, proper RCRA hazardous waste disposal of spent filters, and certified installation testing are mandatory. We supply the right filter products and can help you build the maintenance protocol that keeps your range compliant.

Key Standards

Exhaust Air
HEPA Required
99.97% at 0.3 microns mandatory
Make-Up Air
MERV 14
Clean breathing zone air
OSHA Limit
50 μg/m³
Lead exposure limit (8-hour)
Compliance
Mandatory
OSHA, EPA, NIOSH regulations
Infection Control

Airborne Infection Control

Airborne transmission is a building infrastructure problem. Proper filtration — the right MERV rating, the right ACH, layered with UV-C where appropriate — is the solution.

Filtration Is Now Recognized as Infection Control Infrastructure

Airborne disease transmission occurs through aerosols and droplets that can remain suspended in air for extended periods. The COVID-19 pandemic made this broadly understood — but the IAQ principle applies to influenza, tuberculosis, measles, and other airborne pathogens year-round. Any high-occupancy building is a transmission environment without the right filtration spec.

Effective infection control through HVAC combines three factors: filter efficiency (MERV rating), ventilation rate, and air changes per hour (ACH). Getting one right without addressing the others leaves gaps. We look at the full system before recommending a solution.

The Right Filtration Stack

  • MERV 13+ Minimum — Captures most virus-laden particles in the 1–3 micron range
  • MERV 14 Enhanced — 90% efficiency for particles 1.0–3.0 microns
  • HEPA for High-Risk — Isolation rooms, medical facilities, high-risk populations
  • UV-C Integration — Additional pathogen inactivation layer
  • Increased ACH — Higher air change rates with proper filtration

Where Infection Control Filtration Matters Most

Healthcare waiting rooms, schools and universities, office buildings, airports and transit facilities, restaurants and hospitality venues, elderly care facilities, and any high-density public assembly space where airborne transmission risk is elevated.

Key Standards

Minimum Recommended
MERV 13
Post-COVID best practice
Enhanced Protection
MERV 14
Healthcare and high-risk areas
Maximum Protection
HEPA + UV-C
Isolation and critical care
Goal
Risk Reduction
Minimize airborne transmission
Cannabis Cultivation

Cannabis Cultivation Facilities

Carbon filtration and negative building pressure aren't optional — they're what keeps your facility in compliance with state and local odor control requirements.

A Compliance-First Filtration Environment

Cannabis cultivation facilities operate in a tightly regulated environment where filtration is both a plant health requirement and a licensing requirement. Odor control is typically mandated by state and local licensing — failure to contain off-site odors is a license risk. Mold and mildew are existential threats to yield quality and regulatory compliance.

The high humidity inherent to cultivation accelerates filter loading and creates conditions where mold can propagate inside HVAC systems if not properly managed. A properly spec'd system combines MERV 11–13 particulate filtration with activated carbon media for VOC and odor control, negative building pressure to prevent odor migration, and a maintenance schedule that accounts for the higher replacement frequency this environment demands.

What a Properly Spec'd System Looks Like

  • MERV 11–13 Particulate — Removes mold spores, pollen, and plant matter
  • Molecular/Carbon Filtration — Mandatory for odor control and VOC removal
  • Humidity Control — Prevents mold growth that affects both plants and filters
  • Negative Pressure — Keeps odors contained within facility
  • Grow Room Isolation — Separate ventilation for different cultivation stages

Regulatory Compliance

Most jurisdictions require odor control systems that prevent off-site detection. New York State and most Northeast municipalities mandate carbon filtration, demonstrable negative building pressure, and regular air quality monitoring. We supply the activated carbon media, MERV-rated pre-filters, and can help you document the filtration system for licensing purposes.

Key Standards

Particulate
MERV 11–13
Mold and plant matter control
Odor Control
Carbon Required
Molecular filtration mandatory
Pressure
Negative
Contains odors within facility
Challenge
High Humidity
Frequent filter maintenance needed
Computer Data Centers

Computer Data Centers

Particulate contamination is an equipment reliability issue. We treat it that way — with NAFA-based specifications for every cooling configuration and site condition.

Why Data Centers Require Specialized Filtration

Data centers house mission-critical IT infrastructure that must operate continuously with minimal downtime. Airborne contaminants — including particulates, volatile organic compounds (VOCs), and corrosive gases — can lead to equipment overheating, hardware failure, and reduced operational efficiency. Maintaining precise environmental conditions such as temperature, air cleanliness, flowrate, and relative humidity is critical to hardware reliability and uptime.

A crucial step in protecting this infrastructure involves following manufacturer recommendations for filter types, MERV ratings, pressure drop tolerances, and replacement intervals. These specifications are based on detailed assessments of system performance and component tolerances — deviating from them can void warranties, compromise energy efficiency, and increase the risk of unplanned downtime.

NAFA Filtration Requirements

  • Pre-Filtration — MERV 8 — 2" pleated filters for both indoor recycled air and outside air; captures larger particulates including skin cells, pollen, dust, and feathers
  • Final Filtration — MERV 13 — 12" high-efficiency rigid filters for outside air; removes fine particulate matter (PM2.5 and smaller)
  • Molecular / Gas Phase — Activated Carbon — 12" activated carbon rigid filters to remove VOCs from diesel generators, loading docks, and power system by-products, plus corrosive gases such as hydrogen sulfide (H₂S) and sulfur dioxide (SO₂)
  • HEPA Filtration — 99.97% efficiency at 0.3 microns for clean room environments; must be tested in place after installation and at least annually to detect leaks in filter media, gaskets, or housing

OEM Equipment Considerations

Special attention should be given to the type of cooling equipment being serviced. Computer Room Air Handlers (CRAH) require MERV 8 pre-filters with MERV 13 final filters and should maintain ISO Class 8 cleanliness standards. Wall-mounted split systems used in smaller IT rooms and IDF closets use specialized OEM washable filters, replaced on a manufacturer-specified schedule (typically every 5 years). Dedicated Outdoor Air Systems (DOAS) incorporate unfiltered outside air and require MERV 13 high-capacity filters to maintain air quality.

External Factors & Site Conditions

Location-specific environmental conditions must be factored into filter selection. Coastal facilities face saltwater corrosion risk, urban sites must address exhaust fumes and elevated PM2.5, and rural locations may see higher pollen loads. For facilities using free cooling or air-side economization, filtration requirements become more stringent — incoming outside air requires MERV 13 minimum, while indoor recirculated air can be managed with MERV 8. Gas-phase filtration should be considered if corrosion testing indicates copper coupon rates exceeding 300Å/month or silver exceeding 200Å/month, per ASHRAE TC9.9 standards.

Maintenance & Replacement Schedules

  • Pre-filters (MERV 8) — Replace every 3 months
  • Final filters (MERV 13+) — Replace every 6 months depending on contaminant load
  • Molecular filters — Replace based on adsorption capacity testing, typically annually
  • HEPA filters — Replace every 12 months based on airflow resistance; re-certify in place annually

Differential pressure gauges (magnehelic or manometer) should be installed to monitor filter loading. Filters should be replaced once they reach twice their initial pressure drop, or per manufacturer recommendations. Personnel changing filters should wear appropriate PPE and dispose of spent filters properly.

Key Standards

Pre-Filtration
MERV 8
Indoor recycled air & outside air pre-filter
Final Filtration
MERV 13
Outside air; removes PM2.5 and smaller
Gas Phase
Carbon Filters
VOCs, ozone & corrosive gas removal
Clean Rooms
HEPA
99.97% at 0.3μm; certified in place annually
Air Quality Standard
ISO Class 8
Cleanroom standard for IT equipment spaces
Compliance
ASHRAE / NAFA
TC9.9, Standard 62.1, ISO 14644-1

Ready to Get the Right Spec for Your Facility?

Tell us your industry, your application, and your HVAC configuration. We'll work backwards to the right solution — no runaround, no generic catalog quote.